He told Al to continue his race baiting.
The “activists” were encouraged to riot if the grand jury doesn’t have the “right” result.
I don't think he made the analogy but it reminds me of the "Occupy Wall Street" movement which Obama clearly sympathized with, whether or not he was directly involved in it. The attempt to create class warfare fell flat, so he's going for race war, if he can manage it in his remaining two years.